2143107 has 12 divisors (see below), whose sum is σ = 3112200. Its totient is φ = 1421088.

The previous prime is 2143093. The next prime is 2143109. The reversal of 2143107 is 7013412.

It is not a de Polignac number, because 2143107 - 2¹⁰ = 2142083 is a prime.

It is a super-2 number, since 2×2143107² = 9185815226898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2143107.

It is not an unprimeable number, because it can be changed into a prime (2143109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1519 + ... + 2567.

It is an arithmetic number, because the mean of its divisors is an integer number (259350).

2^2143107 is an apocalyptic number.

2143107 is a deficient number, since it is larger than the sum of its proper divisors (969093).

2143107 is a wasteful number, since it uses less digits than its factorization.

2143107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2143107 is about 1463.9354493966. The cubic root of 2143107 is about 128.9282095592.

Adding to 2143107 its reverse (7013412), we get a palindrome (9156519).

It can be divided in two parts, 214 and 3107, that added together give a triangular number (3321 = T₈₁).

The spelling of 2143107 in words is "two million, one hundred forty-three thousand, one hundred seven".